SECTION 4 - BOOM & PLATFORM
4-20
3121714
18.
Remove the wiper seal (304.1) from its groove in the end
cap (4) and shaft (2).
19.
Remove the piston O.D. seal (202).
20.
Remove the piston I.D. seal (200). You may now proceed
to the inspection process.
Inspection
1.
Clean all parts in a solvent tank and dry with com-
pressed air prior to inspecting. Carefully inspect all criti-
cal areas for any surface finish abnormalities: Seal
grooves, bearing grooves, thrust surfaces, rod surface,
housing bore and gear teeth.
2.
Inspect the thrust washers (304) for rough or worn
edges and surfaces. Measure it’s thickness to make sure
it is within specifications (Not less than 0.092” or 2.34
mm).
3.
Inspect the wear guide condition and measure thick-
ness (not less than 0.123” or 3.12 mm).
Summary of Contents for E450A
Page 2: ......
Page 22: ...SECTION 1 SPECIFICATIONS 1 4 3121714 Figure 1 2 Maintenance Lubrication Diagram...
Page 51: ...SECTION 3 CHASSIS TURNTABLE 3121714 3 11 1001116232 A Figure 3 9 Drive Limit Switch...
Page 64: ...SECTION 3 CHASSIS TURNTABLE 3 24 3121714 1 0 Figure 3 18 Drive Hub Sheet 1 of 2...
Page 76: ...SECTION 3 CHASSIS TURNTABLE 3 36 3121714 Figure 3 27 Swing Components...
Page 96: ...SECTION 3 CHASSIS TURNTABLE 3 56 3121714 GENERATOR Figure 3 30 On Board Generator...
Page 116: ...SECTION 3 CHASSIS TURNTABLE 3 76 3121714 NOTES...
Page 343: ...SECTION 6 JLG CONTROL SYSTEM 3121714 6 27 CONNECTOR Figure 6 10 Power Module LH 1001192212 D...
Page 344: ...SECTION 6 JLG CONTROL SYSTEM 6 28 3121714 Figure 6 11 Power Module RH CONNECTOR 1001178339 E...
Page 479: ......